203112313012020 has 96 divisors (see below), whose sum is σ = 569317623194880. Its totient is φ = 54105845713920.

The previous prime is 203112313012013. The next prime is 203112313012031. The reversal of 203112313012020 is 20210313211302.

203112313012020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×203112313012020² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1690837560 + ... + 1690957680.

It is an arithmetic number, because the mean of its divisors is an integer number (5930391908280).

Almost surely, 2^{203112313012020} is an apocalyptic number.

203112313012020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203112313012020 is an abundant number, since it is smaller than the sum of its proper divisors (366205310182860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203112313012020 is a wasteful number, since it uses less digits than its factorization.

203112313012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149785 (or 149783 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 203112313012020 its reverse (20210313211302), we get a palindrome (223322626223322).

The spelling of 203112313012020 in words is "two hundred three trillion, one hundred twelve billion, three hundred thirteen million, twelve thousand, twenty".